What Major Accomplishments Came to Pass in 2002 in the European

What major accomplishments came to pass in 2002 in the European Union (EU) countries?

A) The countries introduced a common language and speed limits on vehicles.
B) A standardized currency was introduced and travel restriction among member nations were lifted.
C) The countries opened up diplomatic relations with each other and the Vatican.
D) The countries tried to incorporate the old Soviet Russian heartland and China.
E) A common internal political and diplomat approach was adopted by all (EU) countries.